What’s Vulnerable › Vulnerabilities
CVE-2020-26048
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.9% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-10-05 · updated 2026-06-17
- Weakness: CWE-434
Description
The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.
Affected products
- Cuppacms: before 2019-11-12 — fixed in 2019-11-12
How to fix
Upgrade to a fixed version: Cuppacms 2019-11-12. Check the vendor advisory for mitigations.
References
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